52921238 has 16 divisors (see below), whose sum is σ = 84206304. Its totient is φ = 24858240.

The previous prime is 52921217. The next prime is 52921241. The reversal of 52921238 is 83212925.

It is a happy number.

52921238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23648 + ... + 25788.

It is an arithmetic number, because the mean of its divisors is an integer number (5262894).

Almost surely, 2^52921238 is an apocalyptic number.

52921238 is a deficient number, since it is larger than the sum of its proper divisors (31285066).

52921238 is a wasteful number, since it uses less digits than its factorization.

52921238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its digits is 8640, while the sum is 32.

The square root of 52921238 is about 7274.6984817242. The cubic root of 52921238 is about 375.4424123700.

The spelling of 52921238 in words is "fifty-two million, nine hundred twenty-one thousand, two hundred thirty-eight".